“Mark!” I yelled from out on the back deck.

“Yeah, Dad?” he responded from somewhere in the house. We had the windows on the house open, letting the warm air flow through. I wasn’t sure where he was, but I could sense some hesitance in his voice.

“When you have a minute, come out here with me, I want to talk to you for a bit. And bring the cooler out when you come.”

“OK” He replied, nervously.

After about 5 minutes, Mark appeared at the back door. In one hand he held a bottle of water, in the other was the handle to our rolling cooler. He was shirtless wearing only his athletic shorts with his college lacrosse team’s logo. I got up to help him with the door.

“What are you doing drinking water? If I wanted to drink alone, I would have asked you to bring me another beer, no the whole cooler!”

“Are you seriously OK with me drinking?” he asked stunned.

“Are you seriously not remembering how liberal I am with you kids? Besides, I am no fool. You can’t seriously believe that I think while you were away at college you didn’t drink. Furthermore, you’re going to be 21 by the end of the summer, what difference does a month or so make?”

“Good point.”

Mark sat the cooler down and reached in to exchange his water for a beer grabbing me another as well. I directed him to sit in the chair to my right. We sat in the shade provided by the trees around our house in an uncomfortable, mostly on his part, silence. We were alone at the house this evening. My wife had to work late, and Bethany and Riley went to the mall to do some shopping for some ‘summer attire.’ Finally, after having both taken a few drinks from our beers I broke the silence.

“So, are you glad to be home, or are you already ready to head back to college?”

“Well, dad, to be honest, I am really enjoying being here. I mean, with Riley being here all the time, and naked, and knowing that she wants to fuck me. I don’t know why I would ever want to leave!”

“Mark, be honest, is it only Riley, or is it your sister and mom, too, that you like to look at?”

“Well now that you mention it, Bethany sure has become quite the looker! And mom still looks good for her age too.” He replied timidly.

After a few moments of reflection, and a few more drinks from our beers I said “Well, this summer is sure to be a great one!”

“Yeah…” he responded and trailed off.

I could tell that he was reliving his time with my wife, his mom, and thinking about all of what this summer would bring, especially since she had told him about Riley wanting to fuck him.

“Have you seen the two girls together, yet?” I asked him, breaking his trance.

“What do you mean, ‘together?'” he asked.

“I think you know what I mean. I know you know about the pact they made, right?”

“What pact?”

“Well, they made a pact that they would stay virgins until the ‘right guy’ came along, and they have held each other to it.”

“Well I know that they committed to not having sex, but didn’t know that they had a pact. Besides, what does that have to do with anything?”

“It has everything to do with it, actually. You see, they decided that they wanted to experience some sexual stuff before that ‘right guy’ came along. So they started fooling around with each other. It is quite possibly the hottest thing I have ever seen.”

“So, how did it come about that you have seen it? And does mom know?”

“It’s a long story, but let’s just say that I walked in on them one morning. And yes, your mother knows, and has seen it too.”

“When?”

“The other night out here on the deck. As a matter of fact, Bethany, knowing your mom didn’t like to give blow jobs, asked for a demonstration so as to be prepared for her first lover.”

“And did she demonstrate?”

“Yep.” I said, matter of factly.

There was another few moments of pause. Mark reached into the cooler and grabbed another couple of beers and handed one to me.

“Did she demonstrate on you, or a banana or cucumber?” He said, with a nervous laugh.

“On me, silly. Besides, it was really just a Bethany’s ploy to get mom to suck my dick. After your mom got started, Bethany looked at me and mouthed the words ‘you’re welcome.’ And afterwards, she laid back on the deck and masturbated while Riley had her face in your sister’s cunt. Riley’s perfect ass and shaved pussy was pointed in my direction, and thinking that your mom wouldn’t notice, being all wrapped up in the girls and herself, I reached over and rubbed Riley’s clit until she came. But, your mom did notice, and when she was done, she crawled over on her knees to me and took my fingers in her mouth and sucked all of Riley’s pussy juices from them. And, to top it off, for as long as I can remember being with your mom, we’ve always fantasized about bringing another girl into our sex life, she said she wants Riley to be that girl.”

“Wow.” he said before taking a long chug from his beer. “I guess mom was right, things around here have changed.” Then he cut himself off, thinking he may have said something that would let his secret out of the bag.

“Yes, a lot has changed. For one thing, I understand that after your visit with your mom the other day, she plans on sucking a lot more dick. She said that she didn’t know why she hadn’t liked it for so long.”

“So she told you already?”

“Yes, as soon as you all got home the other day. She told me all of the details, from your first session, to your rough fucking (good job by the way) to the truck stop and your road head. I am sure you noticed her little perverted move by kissing me only minutes after swallowing your load. She’s turning into a naughty little lady, for sure.”

“Yea, I noticed.” He said, then paused for another drink. “So you’re not mad?”

“Mad? Hell no I’m not mad. Or jealous. I’ll tell you like I told her before she left the other morning. If she is going to get fucked by someone else, I would rather it be with my son than some Jack-leg from the street.”

“So you knew?” he said shocked.

“Yes, son, I knew. And besides, how could I be mad? You two were not the only ones having fun that day.”

“What do you mean?”

“Well, let’s just say that Riley, much like you, wanted some experience before finally having sex with you.”

“So you fucked Riley?”

“Yep.”

“Does mom and Beth know?”

“Yes, your mom knows, I told her over the phone when you all were on the way back. And Bethany not only knows, but encouraged it. The only rule was that Riley couldn’t do anything with me that Bethany hadn’t already done.”

Letting that sink in for a moment, I paused and chugged about half my beer. By this point I noticed that Mark was unconsciously stroking his cock through is athletic shorts. I was starting to get hard, too, and decided that I would stroke my own through my mesh shorts.

“Wait…. you mean…. did you say that Riley could only do with you what Bethany had already done?”

“Yes, you heard me correctly.” I told him.

“So you’ve fucked Bethany, too?”

“Yes, and to answer your next question, your mom knows. And with both of them, it was some of the best sex I have ever had! Oh, and one more thing, Bethany and Riley have the same kind of agreement with you. Riley gets you first, but Bethany wants to fuck you too. Bethany can only go as far with you as Riley has.”

By this point, neither of us were hiding the fact that we were stroking our cocks through our shorts. I was reflecting on the events of the past few days with the girls, and the past several months of blow jobs from my daughter. I could tell that he was thinking about all of the possibilities, having fucked one of the three women in the house, and now knowing the other two wanted to fuck him as well. We spent the next several minutes talking about everything. I filled him in on the promise I had made to Bethany when she was 16. I told him about the morning that I first messed with both of the girls, and about the nightly blow jobs from his sister. At the next lull in the conversation, Mark handed me another beer and opened one for himself and started a new conversation.

“Dad, I have a question…”

“Go ahead.” I told him in an encouraging voice.

“Well, you know that Bethany and I have remained ‘free’ around each other, hanging out naked whenever you and mom went to bed. Even though neither of us have ever acted on anything, or even mentioned it, I can tell that there was more than a brother/sister feeling there. And since I have been home I have found myself thinking more romantically about her. And then there’s Riley. I have always had a crush on her, and when I heard that she wanted to fuck me, I was more than excited, but also a bit scared. I feel like I am falling for her, too. Obviously my mind is wracked with emotions towards mom, too. I mean I was so turned on by her, but when we made love, and when we’ve kissed sense, it’s been something different. I guess my question is, is it ok, to love each of them?”

“Mark, buddy, of course it is. Don’t get me wrong, my love for your mother runs very deep. And I love your sister as my daughter. But recently, especially with everything that has happened, I have fallen in love with each of them on a deeper, more than physical level. As a matter of fact, I have asked Riley to move in with us. I am sure that she is still trying to find a way to explain that to her parents since they live right up the street, but with the problems her brother has been having with drugs and the law, I don’t think that will be an issue. But bottom line, each of the ladies in my life knows about each other and is in full support of our love together. Your sister and Riley are in love with each other. Your mom and Riley, as you may have noticed, are flirting more and more, and I think falling in love. This open family we have is more than just sex.”

“Makes sense.”

After some more silence Mark got up to grab more beer. I noticed the bulge in his mesh shorts, and being just as hard, I knew that our cocks needed freeing from the confines of our clothes. I suggested that we strip naked and sense his hesitancy.

“Mark, seriously, with everything that has transpired, and will transpire, we’re bound to be seeing each other naked quite a bit from now on. Besides, imagine the surprise on the girls’ faces, no matter who arrives first, your mom or the girls, when they walk out here and see us naked and hard.”

“You’re right.” he said as he stood up and pulled his shorts down.

As he worked the elastic band over his cock, I let my eyes wander down and could see that my wife’s description was spot-on. He appeared to be slightly longer than me, but definitely thicker. His pubes were very nicely trimmed, and with his fit physique with a cut chest and washboard abs, I was envious.

After he had stepped out of his shorts and sat down I stood to remove mine. I noticed as he nonchalantly adjusted his gaze to my mid-section while resuming the fondling of his own cock. Once my cock was released from the restraint of my shorts, I looked down at him while he was looking below my waist and gave myself several long and firm tugs before sitting back down.

“Well,” Mark started, “I can see that we are cut from the same cloth, dad!”

“That may be so, but the seamstress was more generous when cutting for you.” I replied jokingly “Your mom’s description was as accurate as can be.”

“I’m not that much bigger than you.”

We continued our conversation about the women in our lives, what’s been happening, what we want to happen and some talk about his first year in college. By now, we were both about 5 or 6 beers deep – not drunk, but surely feeling a bit buzzed. We heard a vehicle start to come down the driveway. Since we were a family of trucks, and a firm ‘MOPAR’ family, we all owned and drove full-size Dodge/Ram trucks. It was hard to determine by the sound of the engine who it was, my wife or Bethany and Riley.

“Hey Mark, who do you think it is?”
“Well, I bet that it’s mom. Knowing the girls, if they are indeed shopping, there is no way they are home now.”

“I think you’re right, but for the sport of it, I’ll take that bet. I’ll say it’s the girls. What does the winner get?”

“The winner get’s to fuck the girl, or girls, of his choosing in front of the loser. But the loser has to be naked and restrained with his hands behind his back.”

“Deal” I said extending my right hand.

Mark looked at me for a moment and then down to my hand and back up. He smiled and extended his right hand to shake mine. It was in that moment that I realized his cause for a moment of hesitation. Not that a hand shake was anything sexual, but the fact that our right hands had just been stroking our cocks, and then made contact with each other was a bit awkward, but a bit exciting at the same time.

Our silence was more comfortable now as we both sat, drinking our cold beers and slowly stroking our cocks. We were both waiting to see who would win the bet, even though I was sure that I took the sucker bet and would find myself naked and restrained while my son fucked one, or possibly all, of the females in front of me. That thought sent a twinge right to my cock and I let a low moan escape my lips. Mark heard it and gave me a knowing grin. About that time we heard the door from the house open and we both looked up to see my beautiful wife standing there, just as naked as we were. She had a look of surprise mixed with lust on her face.

“Wow! What a nice surprise it is to come home from a long day at work to have both of my lovers sitting together, naked.”

Laughing I replied, “Hey honey. Mark and I have just been discussing everything that has happened around here, and decided that clothes were now, or would soon be, a moot point. Besides, all the talk got us both excited, as you can well see, and we needed to let our members breathe.”

“So Mark is up to speed on everything?” She said smiling.

“Yep, and I think he’s as excited as the rest of us about what our lives have become.” Turning to Mark I said, “Now Mark, you should know that there is a proper way to greet your lover. Now get up and give her a proper welcome home.”

I watched as my son got up with his cock in his hand and walk towards his mother. He reached for her face with his left hand and pulled her in for a kiss. Her hands rose to his face and their mouths opened to let each other’s tongues in. Mark lowered his hands to her waist and then to her ass as he pulled her in tight, pressing his hard cock into her abdomen. While they were making out, my wife moved her right hand down to his ass and her left to his cock that was nestled between them. She started slowly and lightly stroking him, eliciting a low moan from his lips. It was one of the most erotic things I had seen to this point, watching my first born passionately make out with his mother, my wife.

They finally broke their embrace and my wife walked up to where I was sitting. She leaned forward and kissed me much the same as she had kissed Mark, gently stroking my cock with her right hand as she balanced herself on the arm of the chair with her left. As she stood back up, I notice Mark grabbing enough beer from the cooler to go around and start towards his chair. I told him to sit on the couch next to his mom. I could sense that he was starting to get nervous again, so I nodded my head in affirmation and the two of them sat down. My wife snuggled up next to him and he placed his arm around her. She was sitting closest to me with Mark on her left. Her left hand found his cock again and started slowly stroking him.

“So, tell me what you’ve been talking about.” she said, as if I hadn’t already told her.

Mark and I started telling her all about our conversation and filled her in on the emotions that we both were experiencing for the ladies in our lives. She kept a constant smile on her face as we were talking. I noticed my wife start to fidget in her seat and I knew that she was getting horny. We all paused several times during the conversation to enjoy some more beer, and on the last pause my wife sat her beer on the side table and leaned over taking Mark’s hard member into her mouth.

“Ahh Mom, that feels so good,” he said, “But if you keep it up too long, I am going to go off. I’ve been worked up for quite a while.”

I watched as my wife grabbed the base of my son’s cock and squeezed tightly. Not tight enough to cause pain, but enough to prevent him from erupting in her mouth. After a few more seconds of sucking she sat up. She looked at me and said “Honey, is it ok if I get fucked by our son?” She never released the tight grip that she was holding on his cock. I nodded my approval and watched as she had him lie down with his feet towards me. She positioned herself above him, facing him with her back towards me, and started to slowly lower her dripping cunt on to his cock. I could see the wetness seeping from pussy as she lowered herself down.

“So Mark, are you collecting your debt for the bet?” I asked.

“No, not this time, I’ll wait.”

“What bet?” My wife asked through a long moan.

“When we heard your truck coming down the driveway dad and I bet on who it would be. He knew, as well as I, that it would be you, but he took the sucker bet for sport. The loser has to sit naked and restrained and watch while the winner gets to fuck the girl or girls of his choice in front of him.”

“Ohh, sounds like a nice bet, I’m looking forward to watching your dad squirm.”

We all laughed at that, but only briefly as my son started to thrust his cock upwards into my wife as she would thrust downward onto him. By now, I was stroking my cock with more purpose as I watched my son making love to my wife. I was staring at his cock disappearing and reappearing rapidly inside her when her voice broke my trance.

“Don’t cum too fast baby, mommy’s needs to cum!”

“Oh mom, don’t worry. You got me settled down nicely when you gripped me so tight. I’ll be able to go for a while now.”

“Good.” she said as she started bouncing faster and harder.

I could hear her moans starting to turn into screams. Between breaths I could hear her wetness sloshing as Mark fucked her furiously. I knew, at that moment, that my son was giving my wife as much, if not more, pleasure than I had ever been able to. I was actually grateful for him to be able to please her that much. She deserved it. I was just happy to be a witness to it.

Breaking my trance once again was my wife’s voice, only this time the words that she was uttering were not recognizable. She was, by now, screaming. I could make out when she said “Fuck your momma good boy!” and “Oh yes, I’m cumming on my son’s cock!!”

In the dim light provided by the torches around the deck and setting sun, I could see her pussy juices gushing from around his cock. His balls were soaked and her body was trembling. She laid her torso on top of him and he wrapped his arms around her. They started passionately kissing, and her hips reflexively continued to buck on his cock. He slowly and gently continued to thrust his cock into her, enhancing the feeling of euphoria she was slowly coming down from.

Finally, after a few minutes of relaxing on top of her son, my wife rolled off of him and turned around. Now facing me, she straddled our son again and said that she wanted to see me while our son spilled his seed into her. That idea sent a jolt of electricity through my body to my cock and it twitched in my hand. I realized that I hadn’t stopped jerking it and was now leaking a fair amount of pre-cum.

As my wife slowly impaled dripping pussy back down onto his cock, I locked eyes with her and told her that I loved her. She started grinding and gyrating her hips as he began to thrust back up into her. Sitting upright she reached her right hand down to her clit and began frigging it with an intense speed. Suddenly she stopped and looked at me.

“My clit needs a tongue on it. And since our son is not really in a position to provide that for me, I guess you’ll have to.” She said to me.

I slowly left my chair and got on my knees on the deck beside them. I was a bit timid to put my mouth so close to the point where my son and wife became one. So, with my left hand stroking my cock under the couch, I brought my right hand up to her clit. She placed her hands above each of his shoulders and leaned back. She looked at me with a determined look and said “I told you I wanted your tongue on my clit, I can finger myself.”

“Yeah, dad, give her what she wants. I want to fuck her good, but it doesn’t seems as if she’ll fuck back until you start licking. So get to it.”

Still timid, I used the fingers on my right hand to spread her outer lips and leaned forward. I gently placed the tip of my tongue on her clit and flicked it a few times back and forth. Doing so caused her to moan and I could feel her hips start to move again. She let out an audible sigh as Mark started to grind back into her. Feeling a bit more relaxed I used my entire tongue and licked her, from just above the point that his cock disappeared into her, all the way to the top of her slit and back down again. This gave her a more intense feeling and I was rewarded by hearing her moan loudly and feeling a rather violent thrust of her hips.

Their fucking started to become more rapid and I noticed that it was becoming increasingly difficult to keep my mouth in position to give her the pleasure that she so badly desired. So, I decided to rest my head on her pubic mound and stick my tongue out. This way, my head would move in time with her hips, and my tongue would keep constant contact on her sensitive love button.

My wife seemed to like this new position and started to really get into fucking our son with my face so close. From my vantage point I could see every vein in his cock as it slid in and out of her, I could see her tight pussy lips wrapping around his fuck tool as he plunged in and out of her. I was fiercely jerking my cock under the couch, while keeping my tongue pressed firmly on her clit. My knees were starting to hurt from the hard wood below them, but I didn’t care. I, too, was wrapped up in the moment watching my son plow into his mom.

My moans mixed with theirs and soon there was a chorus of ecstasy emanating from our deck. Their pace quickened and I could hear the wetness from my wife once again start seeping from around our son’s cock. I was greedily lapping up her juices, keeping my mouth open with my tongue darting around. Then it happened. Mark’s cock slipped from my wife’s wet cunt and on his next thrust upward, it found its way into my mouth. It had been many, many years since I had done anything with another guy, but by instinct my lips closed tightly around my mouth’s new intruder. Just as quickly as it happened, I realized the gravity of the situation and quickly lifted my head removing has member from my mouth. Led by instinct again, I reached my left hand from my cock and placed it on his. I gave him a few short tugs and fed it back to her hungry cunt. Neither of us spoke a word about what had just happened, so I returned my face and mouth to my previous position and resumed licking, while he started to roughly pummel my wife’s cunt again.

Once again I found myself beating my dick with renewed vigor. The brief few seconds that I had my son’s cock in my mouth brought back a multitude of memories, all of which were just as clear as if they had happened yesterday. While I was licking my wife’s clit, jerking my cock, and enjoying the fucking that was happening under my nose, literally; I was also thinking about my past encounters and found that I was on the verge of shooting my load across the deck below the couch the two lovers were on.

My thoughts were interrupted when Mark’s cock escaped the warm and wet confines of my wife’s pussy and found its way back to my mouth. Again, I closed my lips around his cock for a few strokes, but when I started to lift my head I felt my wife’s hand on the back of it, encouraging me to continue. Hearing Mark moan, I assumed that he didn’t know what had just happened and decided not to fight it.

With the position we were in, my wife’s clit was being overly stimulated by the rubbing of his cock and my cheek. I could hear her moans starting to get louder. Her breath started to quicken and become more shallow. Her grip on the back of my head was becoming more and more firm. I knew that she was starting the short but intense climb to another wild orgasm. Seemingly fueled by her sounds and motions, Mark started fucking faster and harder, fucking my mouth for all he was worth. I was certain that he thought he was still buried in her pussy so I paid special attention to keep my teeth away from his sensitive and swollen gland. I could see Mark’s balls start to tighten and felt his cock start to swell between my lips. I knew that he was about to erupt and I knew that having him erupt in my wife’s cunt was just what she needed to send her over the edge.

Even though her grip and pressure on the back of my head was strong, I forced my head up and my mouth off his cock. Without missing a stroke I was able to lead his cock back to her waiting cunt and as soon as he bottomed out in her I could hear them climax in unison. I could see his cock and balls pumping his cum into her womb. She was bearing down hard on him as her body started to twitch and tremble. She was so high with her orgasm that her screams came out silent. The only noises I heard were grunts as Mark finished emptying his cum into his mom. Then I realized that some of the grunts that I had been hearing were actually mine. I had shot my seed all over the deck below the couch.

I sat back on my legs and looked over the two lovers on the couch. Mark had his hands firmly on my wife’s tits as she laid back on top of him. He was kissing her neck and ears and kept saying over and over “Thank you. Thank you. Thank you.”

I let my eyes wander down her body to her well used and now sloppy cunt. His cock started softening and when it finally fell out of her pussy, a glob of his cum followed. I was just about to lean over to lick her cummy pussy clean when I heard a long low moan from behind me.

The three of us looked towards the door of the house and saw Bethany and Riley standing there, naked. Riley had Bethany’s right tit in her mouth and her hand between her leg.

“That was so fucking hot to watch, guys, thank you!”

I suddenly found myself wondering just how much of it they had seen.

---